| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| TRANSTEC PLC | 00114948 | 19/05/1993 | Dissolved |
| The Cable Group Ltd | 02236319 | 24/11/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABACO SYSTEMS LIMITED | 02151516 | 07/09/2006 | 05/12/2006 | Gold |
| APAX PARTNERS UK LTD | 01342446 | 01/07/1984 | 04/05/1994 | Gold |
| COMUNICA GROUP LIMITED | 04003066 | 23/05/2000 | 20/04/2005 | Dissolved |
| DISCOVERIE GROUP PLC | 02008246 | 21/04/1994 | 20/07/2005 | Amber |
| ELECTRON TECHNOLOGIES LIMITED | 02883414 | 01/04/1997 | 31/08/2003 | Dissolved |
| ENGINUITY | 02324869 | 03/07/1992 | 18/08/1993 | Gold |
| EUROTHERM HOLDINGS LIMITED | 01223911 | 27/10/1993 | 11/02/1997 | Not Trading |
| FILTRONIC PLC | 02891064 | 22/09/1994 | 29/09/2006 | Gold |
| MERCIA FUND 1 GENERAL PARTNER LIMITED | 03676974 | 12/05/1999 | 30/11/2002 | Gold |
| Marconi (Twenty-Eight) Ltd | 00165546 | 05/10/1991 | 28/02/1993 | Dissolved |
| Marconi (Twenty-Five) Ltd | 02145348 | 27/02/1992 | 19/02/1993 | Dissolved |
| ONNEC HOLDINGS LIMITED | 03984491 | 26/04/2000 | 20/04/2005 | One Red Flag |
| Salplex Ltd | 01439089 | 31/01/1992 | 28/02/1993 | Dissolved |
| Salplex Ltd | 01439089 | 31/01/1992 | 28/02/1993 | Dissolved |
| THE UNIVERSITIES AND COLLEGES EMPLOYERS' ASSOCIATION | 02914327 | 01/08/1994 | 01/05/1998 | Gold |
| UW CONSTRUCTION LIMITED | 04036774 | 01/08/2004 | 10/01/2014 | Dissolved |
| WARWICK UNIVERSITY SERVICES LIMITED | 02936903 | 10/11/1994 | 30/09/2002 | Bronze |
| WARWICK UNIVERSITY TRAINING LIMITED | 02446501 | 24/11/1992 | 30/09/2002 | Bronze |
| WATER LANE TRUSTEES LIMITED | 04230684 | 14/09/2001 | 12/09/2007 | Not Trading |
| YEOMAN (CAMBRIDGE) PLC | 01177507 | 09/05/1995 | 25/05/2000 | Dissolved |